Audio headphones are small speakers worn over the ears to isolate sounds for the listener

Headsets are attachments for holding an earphone and transmitter to the user's head.

Telephones and cell phones convert voice or other sound signals into a form that can be transmitted to another device that receives and reconverts the waves back into sound.

Lighting fixtures and lamp sockets produce artificial light in industrial areas or workspaces, and mechanically hold and electrically connect lamp bulbs to wiring.

Soldering irons, stations and accessories bond two or more metallic surfaces together with a low melting alloy solder such as tin/lead or Sn/Cu/Ni/Ge alloys, which is melted, wets the surface and resolidifies forming a soldered joint.

Sweepers are cleaning machines that are typically used to clear floors, streets or other large surfaces of loose debris.

Fluxes are a chemical composition used in soldering, brazing and welding that cleans the metal surface, assists with heat transfer and helps remove surface metal oxides.